Wow. That sounds like either the pitch measurement is way off, or the engine is sick, like incorrect ignition timing. The prop I ran on my O-200 was 62"D x 66"P. That would turn 2700 in level flight. I agree that 70" pitch would be a bit too coarse, but it should still turn up a lot more than 1
> Subject: 0200 A propeller
>
> I have a overhauled 0200 not pulling enough static RPM
> Ground Clearance is a concern, so need about 60 dia
> I have a Thompson 60”d x 70 “pitch only pulling about 1950 rpm. (Using
> calibrated digital tach. Should be about 2200. Static. Has had a short
> maid
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